[ROE-501] “Absolutely, absolutely… keep it a secret.” The cuckolded wife’s day off turns into a secret tryst, drowning in desire with her son’s friend at a women’s brothel.

This was wonderful. Had such dramatic tension

Alas, I think the series hyperlink may be an error. Looked at the Madonna AV site after not seeing a series hyperlink on the JAVTrailers site. The Madonna AV site showed no sign it will be part of a series either.

Found this description.

After discovering that my husband—my partner of many years—had been unfaithful, I decided to visit a male escort service, intending it as nothing more than a petty act of revenge. But who should appear before me but Ikuto—a friend of my son! I knew full well that a relationship between us was completely forbidden, yet having been the one to summon him, I found it too awkward to turn him away; so, after extracting a solemn promise that he would keep our encounter an absolute secret, I ended up giving in and engaging in a physical relationship with him. And there, overwhelmed by a powerful, virile sensation and an expert thrusting technique unlike anything I had ever experienced before, I was brought to climax again and again…